JP6431068B2 - 反相関フィルタによるスペクトルプロジェクションデータノイズ除去 - Google Patents

反相関フィルタによるスペクトルプロジェクションデータノイズ除去 Download PDF

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JP6431068B2
JP6431068B2 JP2016537421A JP2016537421A JP6431068B2 JP 6431068 B2 JP6431068 B2 JP 6431068B2 JP 2016537421 A JP2016537421 A JP 2016537421A JP 2016537421 A JP2016537421 A JP 2016537421A JP 6431068 B2 JP6431068 B2 JP 6431068B2
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basis material
material line
regularization
noisy
factor
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JP2016531692A (ja
JP2016531692A5 (fr
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ベルンハルド ヨハネス ブレンデル
ベルンハルド ヨハネス ブレンデル
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Koninklijke Philips NV
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0071—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by measuring fluorescence emission
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0073—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by tomography, i.e. reconstruction of 3D images from 2D projections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2210/00—Indexing scheme for image generation or computer graphics
    • G06T2210/41—Medical
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/408—Dual energy
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Optics & Photonics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2016537421A 2013-08-30 2014-08-29 反相関フィルタによるスペクトルプロジェクションデータノイズ除去 Active JP6431068B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361871952P 2013-08-30 2013-08-30
US61/871,952 2013-08-30
PCT/IB2014/064137 WO2015028975A1 (fr) 2013-08-30 2014-08-29 Débruitage de données de projection spectrale à l'aide d'un filtre anti-corrélation

Publications (3)

Publication Number Publication Date
JP2016531692A JP2016531692A (ja) 2016-10-13
JP2016531692A5 JP2016531692A5 (fr) 2018-05-31
JP6431068B2 true JP6431068B2 (ja) 2018-11-28

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JP2016537421A Active JP6431068B2 (ja) 2013-08-30 2014-08-29 反相関フィルタによるスペクトルプロジェクションデータノイズ除去

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Country Link
US (1) US9978158B2 (fr)
EP (1) EP3039650B1 (fr)
JP (1) JP6431068B2 (fr)
CN (1) CN105493148B (fr)
WO (1) WO2015028975A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6402282B1 (ja) * 2015-09-16 2018-10-10 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． オブジェクト用のｘ線画像装置
DE102016204226A1 (de) * 2016-03-15 2017-09-21 Siemens Healthcare Gmbh Vorrichtung und Verfahren zum Abgrenzen eines Metallobjekts für eine Artefaktreduktion in Tomographiebildern
US11328460B2 (en) 2018-12-17 2022-05-10 Canon Medical Systems Corporation X-ray CT system and processing method
US11123026B2 (en) * 2019-02-19 2021-09-21 Prismatic Sensors Ab Enhanced spectral x-ray imaging
EP4198877A1 (fr) 2021-12-20 2023-06-21 Koninklijke Philips N.V. Débruitage des données de projection produites par un scanner de tomographie assisté par ordinateur
WO2023117654A1 (fr) 2021-12-20 2023-06-29 Koninklijke Philips N.V. Débruitage de données de projection produites par un scanner de tomodensitométrie

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897788A (en) 1988-04-18 1990-01-30 General Electric Company Image correction for computed tomography to remove crosstalk artifacts
US5953444A (en) * 1997-10-22 1999-09-14 University Of Pennsylvania Method for improved correction of spectrum hardening artifacts in computed tomography images
US6507633B1 (en) * 2001-02-15 2003-01-14 The Regents Of The University Of Michigan Method for statistically reconstructing a polyenergetic X-ray computed tomography image and image reconstructor apparatus utilizing the method
WO2002089116A1 (fr) * 2001-05-02 2002-11-07 Koninklijke Philips Electronics N.V. Procede de filtrage inverse, procede de filtrage de synthese, dispositif de filtre inverse, dispositif de filtre de synthese et dispositifs comprenant ces filtres
US6754298B2 (en) * 2002-02-20 2004-06-22 The Regents Of The University Of Michigan Method for statistically reconstructing images from a plurality of transmission measurements having energy diversity and image reconstructor apparatus utilizing the method
CN101197593B (zh) * 2006-12-07 2011-11-02 华为技术有限公司 信号处理装置、系统和串扰抵消方法
SE531190C2 (sv) * 2007-05-31 2009-01-13 Colloidal Resource Ab Metod, system, datoravläsbart medium och användning för magnetisk resonanstomografi
JP5220374B2 (ja) * 2007-09-27 2013-06-26 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔ装置
DE102009014726A1 (de) * 2009-03-25 2010-10-07 Siemens Aktiengesellschaft Verfahren und Bildrekonstruktionseinrichtung zur Rekonstruktion von Bilddaten
US8705831B2 (en) * 2009-09-24 2014-04-22 Koninklijke Philips N.V. System and method for generating an image of a region of interest
DE102010022305A1 (de) * 2010-06-01 2011-12-01 Siemens Aktiengesellschaft Iterative Rekonstruktion von CT-Bilern ohne Regularisierungsterm
DE102010022306A1 (de) * 2010-06-01 2011-12-01 Siemens Aktiengesellschaft Iterative CT-Bildrekonstruktion in Kombination mit einem vierdimensionalen Rauschfilter
DE102010034099B4 (de) * 2010-08-12 2017-04-06 Siemens Healthcare Gmbh Iterative Bildfilterung mit anisotropem Rauschmodell für ein CT-Bild
US8989469B2 (en) * 2010-12-20 2015-03-24 The Board Of Trustees Of The Leland Stanford Junior University Systems and methods for simultaneous acquisition of scatter and image projection data in computed tomography
US9165384B2 (en) 2011-01-10 2015-10-20 Koninklijke Philips N.V. Dual-energy tomographic imaging system
US20140005971A1 (en) * 2011-03-15 2014-01-02 Koninklijke Philips N.V. Likelihood-based spectral data projection domain de-noising
US8538114B2 (en) * 2011-06-06 2013-09-17 Kabushiki Kaisha Toshiba Method and system utilizing parameter-less filter for substantially reducing streak and or noise in computer tomography (CT) images
JP6073616B2 (ja) * 2011-09-28 2017-02-01 東芝メディカルシステムズ株式会社 Ｘ線ｃｔ装置、画像処理装置及びプログラム
DE102011086456A1 (de) * 2011-11-16 2013-05-16 Siemens Aktiengesellschaft Rekonstruktion von Bilddaten
WO2014080311A1 (fr) * 2012-11-26 2014-05-30 Koninklijke Philips N.V. Suppression de bruit de données de projection

Also Published As

Publication number Publication date
EP3039650B1 (fr) 2020-07-08
US9978158B2 (en) 2018-05-22
US20160180554A1 (en) 2016-06-23
WO2015028975A1 (fr) 2015-03-05
JP2016531692A (ja) 2016-10-13
CN105493148A (zh) 2016-04-13
EP3039650A1 (fr) 2016-07-06
CN105493148B (zh) 2019-07-26

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